88400730739 has 4 divisors (see below), whose sum is σ = 88551328824. Its totient is φ = 88250132656.

The previous prime is 88400730709. The next prime is 88400730791. The reversal of 88400730739 is 93703700488.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88400730739 - 2⁵ = 88400730707 is a prime.

It is a super-2 number, since 2×88400730739² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88400730692 and 88400730701.

It is not an unprimeable number, because it can be changed into a prime (88400730709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75298162 + ... + 75299335.

It is an arithmetic number, because the mean of its divisors is an integer number (22137832206).

Almost surely, 2^88400730739 is an apocalyptic number.

88400730739 is a deficient number, since it is larger than the sum of its proper divisors (150598085).

88400730739 is a wasteful number, since it uses less digits than its factorization.

88400730739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150598084.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 88400730739 in words is "eighty-eight billion, four hundred million, seven hundred thirty thousand, seven hundred thirty-nine".